Show of hands: who likes notebook touch pads? Thought so. That's why a mouse is essential gear. Of course, it's one more thing to remember to bring along, one more thing taking up space in your bag, and one more thing with batteries to die at the most inopportune times.

CNET hasn't reviewed the MoGo, but a dozen-plus Buy.com buyers rated it 4.5 stars on average. Just keep in mind that it lacks both a scroll wheel and a middle button, and it doesn't come with a Bluetooth adapter for those notebooks that lack integrated Bluetooth.

If you can live with those limitations and have a PC Card (aka PCMCIA) slot sitting around doing nothing, this looks like an ideal way to fill it.